package example02;

public class Circle {
    private double r;

   public Circle(){
       this.r = 1;
   }

    public double getR() {
        return r;
    }

    public void setR(double r) {
        this.r = r;
    }
    public double findArea(){
       double s = 3.14 * r * r;
       return s;
    }
}
